In summer, when out side temperature is more than our body temperature, we sweat profusely. The resulting evaporative cooling, similar to what happens with a desert cooler in operation, brings down the body temperature. In winter when the temperature is much lower $37^o C$, we start to shiver a kind of exercise which produce heat and raises the body temperature. They are called.

Emergent land plants that can tolerate the salinities of the sea are called.

Many fishes of freshwater can't live in sea water and vice -versa because of

Which element is responsible for causing soil salinity ? At what concentration does the soil become saline ?

Homeostasis is